{"id":2202,"date":"2024-06-29T01:59:11","date_gmt":"2024-06-29T01:59:11","guid":{"rendered":"https:\/\/tastycounter.net\/index.php\/2024\/06\/29\/ky-luc-truyen-402-tb-du-lieu-bang-cap-quang\/"},"modified":"2024-06-29T01:59:11","modified_gmt":"2024-06-29T01:59:11","slug":"ky-luc-truyen-402-tb-du-lieu-bang-cap-quang","status":"publish","type":"post","link":"https:\/\/tastycounter.net\/index.php\/2024\/06\/29\/ky-luc-truyen-402-tb-du-lieu-bang-cap-quang\/","title":{"rendered":"K\u1ef7 l\u1ee5c truy\u1ec1n 402 Tb d\u1eef li\u1ec7u b\u1eb1ng c\u00e1p quang"},"content":{"rendered":"<\/p>\n
\n

C\u00e1c nh\u00e0 khoa h\u1ecdc Nh\u1eadt B\u1ea3n b\u1eb1ng c\u00e1ch khai th\u00e1c nh\u1eefng b\u0103ng t\u1ea7n ch\u01b0a t\u1eebng s\u1eed d\u1ee5ng \u0111\u00e3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 truy\u1ec1n 402 Tb\/gi\u00e2y d\u1eef li\u1ec7u b\u1eb1ng c\u00e1p quang th\u01b0\u01a1ng m\u1ea1i.<\/p>\n

M\u1ed9t nh\u00f3m nghi\u00ean c\u1ee9u qu\u1ed1c t\u1ebf \u0111\u1ee9ng \u0111\u1ea7u l\u00e0 Ph\u00f2ng th\u00ed nghi\u1ec7m m\u1ea1ng quang t\u1eed thu\u1ed9c Vi\u1ec7n c\u00f4ng ngh\u1ec7 th\u00f4ng tin v\u00e0 truy\u1ec1n th\u00f4ng qu\u1ed1c gia Nh\u1eadt B\u1ea3n (NICT) \u0111\u00e3 th\u1ef1c hi\u1ec7n th\u00ed nghi\u1ec7m cho th\u1ea5y b\u0103ng th\u00f4ng truy\u1ec1n quang 37,6 terahertz (THz) c\u00f3 th\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 402 terabits (Tb)\/gi\u00e2y qua c\u00e1p quang c\u00f3 th\u1ec3 mua \u0111\u01b0\u1ee3c tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>\n

\"T\u1ed1c<\/p>\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng truy\u1ec1n quang \u0111\u1ea7u ti\u00ean \u1edf m\u1ecdi b\u0103ng t\u1ea7n (OESCLU) c\u1ee7a c\u00e1p quang ti\u00eau chu\u1ea9n. H\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng 6 b\u1ed9 khu\u1ebfch \u0111\u1ea1i s\u1ee3i quang pha t\u1ea1p, cho ph\u00e9p ti\u1ebfp c\u1eadn nh\u1eefng d\u1ea3i b\u01b0\u1edbc s\u00f3ng ch\u01b0a t\u1eebng s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00e3 tri\u1ec3n khai.<\/p>\n

Khi nhu c\u1ea7u \u0111\u1ed1i v\u1edbi d\u1ecbch v\u1ee5 d\u1eef li\u1ec7u gia t\u0103ng nhanh ch\u00f3ng trong t\u01b0\u01a1ng lai c\u00f4ng ngh\u1ec7 m\u1edbi n\u00e0y s\u1ebd \u0111\u00f3ng g\u00f3p \u0111\u00e1ng k\u1ec3 v\u00e0o m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng truy\u1ec1n quang.<\/p>\n

Th\u00ed nghi\u1ec7m \u0111\u1ea1t h\u01a1n 1.500 k\u00eanh truy\u1ec1n song song trong b\u0103ng th\u00f4ng 37,6 THz (275 nm) nh\u1edd vi\u1ec7c m\u1edf r\u1ed9ng gh\u00e9p k\u00eanh ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng d\u00e0y \u0111\u1eb7c (DWDM) \u0111\u1ec3 bao g\u1ed3m m\u1ecdi b\u0103ng t\u1ea7n quan tr\u1ecdng.<\/p>\n

NICT \u0111\u00e3 c\u00f9ng v\u1edbi c\u00e1c \u0111\u1ed1i t\u00e1c x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng truy\u1ec1n t\u1eeb b\u0103ng t\u1ea7n O \u0111\u1ebfn U \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi, cho ph\u00e9p truy\u1ec1n DWDM b\u1eb1ng c\u00e1p quang ti\u00eau chu\u1ea9n c\u00f3 s\u1eb5n v\u1edbi c\u00f4ng ngh\u1ec7 khu\u1ebfch \u0111\u1ea1i thi\u1ebft k\u1ebf t\u00f9y ch\u1ec9nh.<\/p>\n

\u01af\u1edbc t\u00ednh t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u \u0111\u1ea1t 402 Tb\/s khi truy\u1ec1n qua 40km, cao h\u01a1n 25% so v\u1edbi k\u1ef7 l\u1ee5c tr\u01b0\u1edbc \u0111\u00e2y, b\u0103ng th\u00f4ng 37,6 THz c\u0169ng \u0111\u00e1nh d\u1ea5u m\u1ee9c t\u0103ng 35%. K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m ch\u1ee9ng minh vi\u1ec7c \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 khu\u1ebfch \u0111\u1ea1i v\u00e0 x\u1eed l\u00fd t\u00edn hi\u1ec7u m\u1edbi s\u1ebd m\u1edf ra ti\u1ec1m n\u0103ng truy\u1ec1n b\u0103ng th\u00f4ng si\u00eau r\u1ed9ng, gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng truy\u1ec1n th\u00f4ng tin c\u1ee7a s\u1ee3i c\u00e1p quang.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

C\u00e1c nh\u00e0 khoa h\u1ecdc Nh\u1eadt B\u1ea3n b\u1eb1ng c\u00e1ch khai th\u00e1c nh\u1eefng b\u0103ng t\u1ea7n ch\u01b0a t\u1eebng s\u1eed d\u1ee5ng \u0111\u00e3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 truy\u1ec1n 402 Tb\/gi\u00e2y d\u1eef li\u1ec7u b\u1eb1ng c\u00e1p quang th\u01b0\u01a1ng m\u1ea1i. M\u1ed9t nh\u00f3m nghi\u00ean c\u1ee9u qu\u1ed1c t\u1ebf \u0111\u1ee9ng \u0111\u1ea7u l\u00e0 Ph\u00f2ng th\u00ed nghi\u1ec7m m\u1ea1ng quang t\u1eed thu\u1ed9c Vi\u1ec7n c\u00f4ng ngh\u1ec7 th\u00f4ng tin v\u00e0 truy\u1ec1n th\u00f4ng […]<\/p>\n","protected":false},"author":1,"featured_media":2203,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2202","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khong-phan-loai"],"_links":{"self":[{"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/posts\/2202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/comments?post=2202"}],"version-history":[{"count":0,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/posts\/2202\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/media\/2203"}],"wp:attachment":[{"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/media?parent=2202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/categories?post=2202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tastycounter.net\/index.php\/wp-json\/wp\/v2\/tags?post=2202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}